Convert AddedInstrMapType to contain AddedInstrns by value instead of by
pointer so that they do not all get leaked!

llvm-svn: 2188
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
index a381971..4976c9b 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.h
@@ -48,14 +48,12 @@
 // to store such instructions added before and after an existing instruction.
 //----------------------------------------------------------------------------
 
-class AddedInstrns
-{
- public:
+struct AddedInstrns {
   std::deque<MachineInstr*> InstrnsBefore;// Added insts BEFORE an existing inst
   std::deque<MachineInstr*> InstrnsAfter; // Added insts AFTER an existing inst
 };
 
-typedef std::hash_map<const MachineInstr *, AddedInstrns *> AddedInstrMapType;
+typedef std::map<const MachineInstr *, AddedInstrns> AddedInstrMapType;